Introducing the



16 x 16 Thunderbolt™ / USB3 audio interface
with renowned ESS Sabre32 Ultra™ DAC technology

Equipped with renowned ESS Sabre32 Ultra™ DAC technology,
the 624 has the same award-winning analog audio quality and proven performance as MOTU's flagship 1248 interface — packed into a mobile half-rack enclosure.

32 simultaneous audio channels

Studio-grade I/O for on-the-go recording

You get 2 mic inputs, 2 guitar inputs, 4 x 6 balanced analog with dedicated main outs, 8-channel ADAT optical and independent headphone out for 16 inputs and 16 outputs. The optical ports also support stereo TOSLink (optical S/PDIF).


Superb analog audio quality
and high-end converters

Performance suitable for
the most demanding situations

Renowned ESS Sabre32 Ultra™ DAC technology delivers 123 dB dynamic range and the same proven, award-winning audio quality as MOTU's flagship 1248.

Ultra-low latency and proven, high-performance MOTU drivers

The best possible latency performance

The 624 delivers round-trip latency (RTL) performance as low as 1.6 ms at 96kHz
over Thunderbolt™ — and an astonishing 1.9 ms over USB — with high-performance DAW hosts.




Mobile operation and universal connectivity

Ultimate portability and flexibility

Connects to your computer with Thunderbolt™, super-speed USB 3.0 or AVB/TSN Ethernet — with support for up to 256 audio channels (128 in and 128 out). USB audio class-compliant firmware and high-performance, industry-standard drivers work with any audio apps. Connects to your iPad™ with a standard camera connection kit (adapter).




USB 3 Logo

Super-speed USB 3.0

Compatible with USB 2 and iOS

USB3 cable
Thunderbolt Logo

Thunderbolt Technology

Blazing speed with any Thunderbolt host

Thunderbolt Cable
AVB Logo

AVB/TSN

Multi-channel audio over Ethernet

Ethernet Cable


DSP mixing and effects processing

Console-style mixing with 48 channels and 12 busses

The 624's full-fledged 48-input digital mixer delivers 7 stereo aux busses, 3 groups, access to 64 network inputs, and DSP effects, including reverb, 4-band EQ, gate and compression. If you know your way around a large-format mixing console, you'll feel right at home. If you've ever wished to mix on a large console, the driver's seat is now yours.



Modeled vintage effects processing

Vintage processing with 32-bit float precision

Classic reverb. Compression modeled after the legendary LA-2A compressor. EQ modeled after British analog console EQs. The 624's mixing and effects DSP engine delivers virtually unlimited headroom and the utmost in sound quality.

Flexible matrix routing and splitting

Route your audio anywhere with one-click ease

Send any input to any output, or multiple outputs. Includes routing to and from the computer, plus any devices on the audio network.



Web app control from any device

Control everything from your laptop, tablet and smartphone

The software that you use to control the 624 doesn't reside on your hard drive. It's a web app served from the hardware itself. This means you can control the 624's on-board DSP, mixing, device settings, and network audio routing from your favorite web browser on a laptop, tablet or smartphone connected by wire or Wi-Fi to your local area network. Use any web client on any platform — Mac, Windows, Linux, iOS, Android — as long as it shares the same network.



Stand-alone operation with wireless control

No computer or laptop needed

Connect an Apple® Airport™ or other Wi-Fi router with a standard Ethernet cable for wireless control of device settings, powerful 48-channel mixing and DSP effects.



System expansion

Expand your system with more I/O and Wi-Fi control



Add a 2nd MOTU AVB-equipped interface with a simple CAT-5e ethernet cable.

Connect up to five MOTU interfaces using a
MOTU AVB/TSN Switch (sold separately).

Build a network with multiple interfaces and computers using standard AVB/TSN switches and network cabling, with ultra-low network latency, even over long cable runs (100 meters point to point). Stream hundreds of audio channels among devices and computers on the network.



Comprehensive metering

View all I/O activity at a glance — in full color

The full-color LCD lets you view all signal activity at a glance with detailed metering for all analog and digital I/O. Access hardware settings from a simple and convenient menu.




AudioDesk

Powerful audio workstation technology for Mac and Windows

Includes AudioDesk workstation software for Mac and Windows with 24-bit recording, sample-accurate editing and 32-bit mixing and mastering